Có 10+ tài liệu thuộc chủ đề "IP máy tính"
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Chia thành 2 m ng con ạ B ướ c 1 Xác nh s bit c n l y : 2^1 = 2 đị ố ầ ấ m ng ạ. Ta l y 1 bit t HostID cho NetID : ấ ừ . Ta l y bit v trí th 7 ấ ở ị ứ. Đố i v i l...
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Cấu trỳc địa chỉ trờn Internet (Địa chỉ IP). Cấu trỳc địa chỉ IP. Địa chỉ lớp A (A Class). Địa chỉ mạng (Net ID). Địa chỉ cỏc mỏy chủ trờn một mạng (Host ID) 2. Địa chỉ lớp B (B Class). Địa chỉ cỏc mỏy chủ trờn một mạng (Host ID 3. Địa chỉ lớp C (C Class). Địa...
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Accessing the WAN – Chapter 1. –WANs use the carriers, such as phone companies, cable companies, and network providers.. •In the WAN, it may provide teleworkers or remote sites access to the corporate network across WAN technology.. •Aggregates WAN connections at the edge of the campus and provides policy-based connectivity.. –Service Provider Environment.. –The teleworker module recommends that connections from...
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–Some of the bits get there later than others. –The frame is sent on a physical medium to the WAN.. –Pin 2 - The receive pin (RXD) carries data from the serial device to the computer.. –Pin 3 - The transmit pin (TxD) carries data from the computer to the serial device.. –Pin 4 - Data Terminal Ready (DTR) indicates...
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Describe the fundamental concepts of Frame Relay. Describe advanced concepts of Frame Relay technology in terms of enterprise WAN services, including subinterfaces, bandwidth, and flow control.. Frame Relay: An Efficient and Flexible WAN Technology. Frame Relay has become the most widely used WAN technology in the world.. Span's Frame Relay network uses permanent virtual circuits (PVCs). Cost Effectiveness of Frame...
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–If the security of the network is compromised, there could be serious consequences, such as loss of privacy, theft of information, and even legal liability.. •Although this may not seem like a security issue, Cisco software images and configurations can be deleted. Some of the most common terms are as follows:. –White hat - An individual who looks for vulnerabilities...
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–Standard ACLs –Extended ACLs. –Dynamic (lock and key) ACLs –IP-named ACLs. –Context-based ACLs –Authentication proxy –Turbo ACLs. Router(config)#access-list 101 deny ? <0-255>. An ACL is a router configuration script that controls whether a router permits or denies packets to pass based on criteria found in the packet header.. –The ACL applying a permit or deny rule to determine the fate...
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technologies, working away from the office no longer presents the challenges it did in the past.. communications systems capable of providing high- speed transmission of services, such as data, voice, and video, over the Internet and other networks.. When traveling, teleworkers need an Internet connection and a VPN client to connect to the corporate network over any available dialup, or...
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ITE I Chapter 6 1. ITE 1 Chapter 6 2. ITE 1 Chapter 6 3. Every device that connects to a network needs an IP address. administrators assign static IP addresses to routers, servers, and other network devices whose locations (physical and logical) are not likely to change.. DHCP assigns IP addresses and other important network configuration information dynamically. ITE...
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chia M ng Con ạ Ví D c th v IP ụ ụ ể ề. Cho đ a ch ip . 1/ Xác đ nh l p class và subnet m c nhiên. Do nh ng đ a ch ip có byte đ u tiên n m trong kho ng: ữ ị ỉ ầ ằ ả 0 đ n 127...